Network, Two or more computers connected together for the purpose of sharing data or resources., LAN, A network which covers a small geographical area such as a single site or building., WAN, A network which covers a large geographical area such as a region, or country or an international area., Client-server, A network setup where resources or processing are carried out by a central computer (a server), with other devices (called clients) accessing resources via the network., Peer-to-peer, A network setup where all computers have an equal status and function as both client and server, Wireless Access Point, Uses a wireless radio signal to allow devices to connect wirelessly to a network., Router, A device which connects two or more different networks together allowing them to communicate with another., Switch, A device which provides computers and other devices with a wired connection to a network and directs traffic to specific devices on the network., NIC (Network Interface Card), A component within a computer or other device which allows the device to connect to a network.  The card provides the physical connection to the network and controls the sending and receiving of data between the computer and the network., Transmission media, The physical connection which carries data between network devices. This could be a cable or a wireless signals, depending on the network., DNS (Domain Name System), A system which enables a URL to be resolved into an IP address., Hosting, The storing of files, web pages or other data on a server., Protocol, An agreed set of rules to govern how data is transmitted across a network., Star network, A network topology where all devices connect back to a single central point. All communications travel via the central point e.g. a switch., Mesh network, A network topology where all devices are connected to each other rather than a central point. Devices may be connected in a full mesh or a partial mesh., Bandwidth, The amount of data which can be transferred by a network in any given time, Ethernet, A physical copper cable used to connect devices on a network. The term also refers to the protocols and standards used to control how data is sent and received on the cable., Wi-Fi, A technology which uses wireless signals to connect network devices., IP Address, A unique address assigned to every computer on a network., MAC Address, A 12 digit hexadecimal number assigned to a Network Interface Card (NIC)..

Networks

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